This can let you get some high-cost characters out for a reduced price
At the time, these Creature types were largely created for flavor purposes
I know Winnie the Pooh is supposed to be Christopher Robin's best friend, but this Christopher looks like he'll be best friends with Stitch - Rock Star
While fetch lands and shock lands are out of reach, a combination of guildgates, common tap-lands (like Scoured Barrens), and bounce lands (like Simic Growth Chamber) can create a surprisingly consistent foundation
Leaving behind a 1/1 blocker means that this thing can almost always attack, mitigating the opportunity for your opponent to race
This means that before taking a first game action, you have to plan ahead, mapping out your first few turns